Allow recovering from syntax errors when possible - Githubissues

s-expressionists / Eclector

A portable Common Lisp reader that is highly customizable, can recover from errors and can return concrete syntax trees

https://s-expressionists.github.io/Eclector/

BSD 2-Clause "Simplified" License

109 stars 9 forks source link

Allow recovering from syntax errors when possible #64

Closed scymtym closed 4 years ago

scymtym commented 4 years ago

A recover restart should be established whenever it is possible to recover and continue reading.

Conditions and recovery are needed for:

[x] Symbols
[x] Numbers
[x] Single quote
[x] Double quote
[x] Backquote
[x] Comma
[x] Consing dot
[x] Sharpsign single quote
[x] Sharpsign left parenthesis
[x] Sharpsign dot
[x] Sharpsign backslash
[x] read-rational and related macro functions
[x] Sharpsign asterisk
[x] Sharpsign A
[x] Sharpsign C
[x] Sharpsign S
[x] Sharpsign P
[x] Sharpsign plus/minus
[x] Sharpsign equals
[x] Sharpsign sharpsign
[x] Sharpsign invalid
[x] Missing/invalid numeric reader macro argument

Other aspects:

[x] recover convenience function
[x] Documentation (see #58)